@mikkel-ol/tunnelmole/src/message-handlers/hostname-assigned.ts

Tunnelmole, an open source ngrok alternative. Instant public URLs for any http/https based application. Available as a command line application or as an NPM dependency for your code. Stable and maintained. Good test coverage. Works behind firewalls

import HostnameAssignedMessage from "../messages/hostname-assigned-message.js";
import HostipWebSocket from "../websocket/host-ip-websocket.js";
import { Options } from "../options.js";
import { eventHandler, URL_ASSIGNED } from "../events/event-handler.js";
import chalk from "chalk";
import { getConnectionInfo } from "../websocket/connection-info-service.js";

export default async function hostnameAssigned(
  message: HostnameAssignedMessage,
  websocket: HostipWebSocket,
  options: Options
) {
  const port = options.port;

  if (typeof port === "undefined") {
    console.error('Please specify a port e.g. run "tmole 80"');
  }

  const httpsUrl = `https://${message.hostname}`;
  const httpUrl = `http://${message.hostname}`;
  const destinationUrl = `http://localhost:${port}`;
  const encodedHttpsUrl = Buffer.from(httpsUrl).toString("base64");
  const isCli = getConnectionInfo().isCli;

  if (isCli) {
    eventHandler.emit(URL_ASSIGNED, httpsUrl);
    return;
  }

  if (process.env.TUNNELMOLE_QUIET_MODE !== "1") {
    console.info("=".repeat(process.stdout.columns));
    console.info(
      "Your Tunnelmole Public URLs are below and are accessible internet wide. Always use HTTPs for the best security"
    );
    console.info("");
    console.info(
      `${chalk.greenBright.bold(httpsUrl)} ⟶   ${chalk.bold(destinationUrl)}`
    );
    console.info(
      `${chalk.greenBright.bold(httpUrl)} ⟶   ${chalk.bold(destinationUrl)}`
    );
    console.info("=".repeat(process.stdout.columns));
  }

  console.info(chalk.bold("\nShare your creation with the world!"));

  printSharingNetwork("Reddit", "reddit", encodedHttpsUrl);
  printSharingNetwork("Hacker News", "hackernews", encodedHttpsUrl);
  printSharingNetwork("BlueSky", "bluesky", encodedHttpsUrl);
  printSharingNetwork("X (Twitter)", "twitter", encodedHttpsUrl);
  printSharingNetwork("LinkedIn", "linkedin", encodedHttpsUrl);

  eventHandler.emit(URL_ASSIGNED, httpsUrl);
}

const printSharingNetwork = (
  displayNetworkName: string,
  network: string,
  encodedHttpsUrl: string
) => {
  const shareUrl = `https://dashboard.tunnelmole.com/share/${network}/${encodedHttpsUrl}`;
  console.info(`${displayNetworkName}: ${chalk.greenBright.bold(shareUrl)}`);
};